Pith Number

pith:QSO7QYG6

pith:2012:QSO7QYG6W6JEFXVUQMGZCEFKFK

not attested not anchored not stored refs pending

Optimal Planar Range Skyline Reporting with Linear Space in External Memory

Jeonghun Yoon, Yufei Tao

arxiv:1208.4511 v2 · 2012-08-22 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSO7QYG6W6JEFXVUQMGZCEFKFK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:18:26.744929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849df860deb79242deb4830d9110aa2ab0de62d236a4f2ad61158e3727875403

Aliases

arxiv: 1208.4511 · arxiv_version: 1208.4511v2 · doi: 10.48550/arxiv.1208.4511 · pith_short_12: QSO7QYG6W6JE · pith_short_16: QSO7QYG6W6JEFXVU · pith_short_8: QSO7QYG6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QSO7QYG6W6JEFXVUQMGZCEFKFK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 849df860deb79242deb4830d9110aa2ab0de62d236a4f2ad61158e3727875403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86d2f929e98ce607170099e4b8727f984d9a3c28952f4165d4ede1b1e6abfd79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-08-22T14:35:06Z",
    "title_canon_sha256": "180abd698a533dc32b02828644dcb84bc0bdc5b705bbe4396c17fe77374e76dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4511",
    "kind": "arxiv",
    "version": 2
  }
}